curve of magnetic polar wandering

例句：

1. 1. The curve of the riveris breathtakingly beautiful.
   这条河的曲线令人叹为观止。
2. 2. Thecar's steering wheelhas a curved design.
   汽车的方向盘设计成曲线状。
3. 3. Thepath leading to the summit is quite steepand curvy.
   通往山顶的路径相当陡峭且弯曲。